40025892 has 24 divisors (see below), whose sum is σ = 93957696. Its totient is φ = 13261408.

The previous prime is 40025879. The next prime is 40025893. The reversal of 40025892 is 29852004.

40025892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40025893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (3914904).

Almost surely, 2^40025892 is an apocalyptic number.

It is an amenable number.

40025892 is an abundant number, since it is smaller than the sum of its proper divisors (53931804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40025892 is a wasteful number, since it uses less digits than its factorization.

40025892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147 (or 20145 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40025892 is about 6326.6019315269. The cubic root of 40025892 is about 342.0689645814.

Adding to 40025892 its reverse (29852004), we get a palindrome (69877896).

The spelling of 40025892 in words is "forty million, twenty-five thousand, eight hundred ninety-two".